The leaves from pruning hardy kiwi vines are supposed to be good for pigs. (And the stalks, when soaked in water, leach out glue.)

In Finland, lingonberries traditionally accompany blood sausage or blood pancakes. (I had to look up what blood pancakes were. Finnguide explained, "Bottles of blood for cooking can be found from the frozen food section of the grocery shops in Finland.)

In China, children usually pick the tiny fruit of the raisin tree, because it's such a tedious job.